From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhang Rui Subject: Re: [PATCH 23/25] thermal: exynos: fix error return code Date: Thu, 02 Jan 2014 09:55:30 +0800 Message-ID: <1388627730.3739.67.camel@rzhang1-mobl4> References: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> <1388357260-4843-24-git-send-email-Julia.Lawall@lip6.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1388357260-4843-24-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-samsung-soc-owner@vger.kernel.org To: Julia Lawall Cc: kernel-janitors@vger.kernel.org, Eduardo Valentin , Kukjin Kim , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Sun, 2013-12-29 at 23:47 +0100, Julia Lawall wrote: > From: Julia Lawall > > Set the return variable to an error code as done elsewhere in the function. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > > // > > Signed-off-by: Julia Lawall applied. thanks, rui > > --- > Not tested. > > drivers/thermal/samsung/exynos_tmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c > index 32f38b9..0d96a51 100644 > --- a/drivers/thermal/samsung/exynos_tmu.c > +++ b/drivers/thermal/samsung/exynos_tmu.c > @@ -205,6 +205,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) > skip_calib_data: > if (pdata->max_trigger_level > MAX_THRESHOLD_LEVS) { > dev_err(&pdev->dev, "Invalid max trigger level\n"); > + ret = -EINVAL; > goto out; > } > >